deep branch of ulnar nerve


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deep branch of ul·nar nerve

(dēp branch ŭl'năr nĕrv)
Accompanies deep palmar branch of ulnar artery and deep palmar arch to supply wrist joint, lumbricals 3 and 4, palmar and dorsal interossei, adductor pollicis, and deep head of flexor pollicis brevis muscles.
Synonym(s): ramus profundus nervi ulnaris.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
In 24 (30%) the superficial head had double innervation from median nerve and deep branch of ulnar nerve (Fig.
In the same year, Riche (1897) described three types of connections: Type I, between the deep branch of ulnar nerve and the branch of the median nerve, destined to both heads of the FPB; Type II, between the deep branch of ulnar nerve and the median nerve within the belly of the transverse head of the adductor pollicis; Type III, between these two nerves within the belly of the lumbrical muscle.
Souza found CRAs between the deep branch of ulnar nerve and a branch of the median nerve in 50% of cases, and between the deep branch and ulnar nerve and a collateral digital nerve of the median nerve in 50% of cases that were always lateral to the flexor pollicis longus tendon.
In 24 (30%) it had double innervation (from branches of median nerve and deep branch of ulnar nerve).
Extramuscular anastomoses; (a) Recurrent branch of median nerve; (b) Deep branch of ulnar nerve; (c) Deep head of FPB (double innervation); (d) Abdutor pollicia brevis muscle; (e) Superficial head of FPB; (f) Oblique head of Adutor pollicis muscle; (g) Transverse head of Adutor pollicis muscle.
Extramucular anastomoses; (a) Isolated branch of median nerve; (b) Deep branch of ulnar nerve; (c) Superficial head of FPB (double innervation); (d) Oponens pollicis muscle; (e) Abdutor pollicis brevis muscle; (f) Oblique head of Adutor pollicis muscle; (g) Transverse head of Adutor pollicis muscle.
Intramuscular anastomoses; (a) Collateral radial branch of the thumb; (b) Deep branch of ulnar nerve; (c) Superficial head of FPB and (d) Deep head of FPB (double innervation); (e) Abdutor pollicis brevis muscle; (f) Oblique head of Adutor pollicis muscle; (g) Transverse head of Adutor pollicis muscle.
Extramucular anastomoses; (a) First common digital branch of median nerve; (b) Deep branch of ulnar nerve; (c) Deep head of FPB (double innervation); (d) Superficial head of FPB; (e) Oblique head of Adutor pollicis muscle (double innervation); (f) Transverse head of Adutor pollicis muscle.
Intramuscular anastomoses; Two branches of median nerve; (a) Recurrent branch of median nerve; (b) Branch of Collateral radial branch of the thumb; (c) Deep branch of ulnar nerve; (d) Deep head of FPB (double innervation); (e) Abdutor pollicis brevis; (f) Oblique head of Adutor pollicis muscle; (g) Transverse head of Adutor pollicis muscle.
(20) Lowell AA observed arborization of the deep branch of ulnar nerve to third lumbrical within middle third.
These three muscles are supplied by the deep branch of ulnar nerve. In addition there is also the palmaris brevis innervated by the superficial branch of the ulnar nerve.
All interossei are supplied by the deep branch of ulnar nerve (Bowen et al 2006).